Move images and data directories. Also svn version code from r20919.

svn: r20990

data/templates/table_header.html

@@ -0,0 +1,5 @@
+{% for header in headers %}<th{{ header.class_attr }}>
+  {% if header.sortable %}<a href="{{ header.url|escape }}">{% endif %}
+  {{ header.text }}
+  {% if header.sortable %}</a>{% endif %}
+</th>{% endfor %}